<template>
    <div>
      <!--      面包屑导航区域-->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>
<!--      卡片视图区域-->
      <el-card>
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
              <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="goAddPage">添加商品</el-button>
          </el-col>
        </el-row>
<!--        table表格区域-->
        <el-table :data="goodsList" border stripe>
<!--          索引列-->
          <el-table-column type="index"></el-table-column>
<!--          商品名称-->
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
          <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
          <el-table-column label="创建时间" prop="add_time" width="140px">
            <template slot-scope="scope">{{scope.row.add_time | dateFormat}}</template>
          </el-table-column>
          <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
          </el-table-column>
        </el-table>

<!--        分页区域-->
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total" background>
        </el-pagination>
      </el-card>
    </div>
</template>

<script>
  export default {
    name: 'list',
    data(){
      return {
        //查询参数对象
        queryInfo:{
          query:'',
          pagenum:1,
          pagesize:10
        },
        //商品列表
        goodsList:[],
        //商品数据总条数
        total:0
      }
    },
    created(){
      this.getGoodsList()
    },
    methods:{
      //根据页面获取商品列表
      async getGoodsList(){
          const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
        if(res.meta.status!==200){
          return this.$message.error('获取商品列表失败！')
        }
        this.$message.success('获取商品列表成功！')
        console.log(res.data)
        this.goodsList=res.data.goods
        console.log(this.goodsList)
        this.total=res.data.total
        console.log(this.total)
      },
      //监听分页
      handleSizeChange(newSize){
        this.queryInfo.pagesize=newSize
        this.getGoodsList()
      },
      //页码数跳转
      handleCurrentChange(newPage){
        this.queryInfo.pagenum=newPage
        this.getGoodsList()
      },
      //删除商品
      removeById(id){
        this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async() => {
          const {data:res} =await this.$http.delete('goods/'+id)
          if(res.meta.status!==200) return this.$message.error('删除失败')
          this.$message.success('删除参数成功')
          this.getGoodsList()
          this.$message({
            type: 'success',
            message: '删除成功!'
          });
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });
        });

      },
      //编程式导航跳转到添加商品页
      goAddPage(){
        this.$router.push('/goods/add')
      }
    }
  }
</script>

<style lang="less" scoped>

</style>
